中低温地热发电循环参数的优化_刘继芬.pdfVIP

62 S1 Vol1 62 No1 S1 2011 5 CIESC Journal May 2011 刘继芬, 王景甫, 马重芳, 王 伟, 张 勇 (, 100124) : EES , , , , , ; , , , 80~ 120e , R601 R134a ; 120e , R134a , R134a R601 : ; ; : TM 616 : : 0438- 1157 (2011) S1- 190- 07 Optimizationof cycle parameters in low-medium temperature geothermal power generation LIUJifen, WANGJingfu, A Chongfang, WANGWei, ZHANGYong (Key Laboratory of Enhanced H eat Transf er and Energy Conservation, Ministry of Education, Beij ing University of Technoloy , Beij ing 100124, China) Abstract: calculator program with EES software was designed for the low-medium temperature geothermal power generation system with organic Rankine cycle1T he optimal evaporation temperature was obtained by theoretical calculation for the thermal parameters and its performance of the main state points1 The effects of geothermal fluid dryness, its temperature, condensing temperature and working fluid on the optimal evaporation temperature and net power output, respectively, were analysed1The results show that for the same working fluid, both optimal evaporation temperature and net power output increased with increasing geothermal fluid dryness and its temperature, the optimal evaporation temperature increased with increasing condensing temperature, but the net power output decreased with it1 For the different working fluids, when the geothermal fluid tem